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How can I store my users' passwords safely?

... folks on the internet. For more information on password storage schemes, read Jeff`s blog post: You're Probably Storing Passwords Incorrectly Whatever you do if you go for the 'I'll do it myself, thank you' approach, do not use MD5 or SHA1 anymore. They are nice hashing algorithm, but considered ...
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Use of 'const' for function parameters

... and mark parameters const whenever possible; it's more expressive. When I read someone else's code, I use little indicators like this to judge how much care they put into writing their code alongside things like magic numbers, commenting, and proper pointer usage, etc. – Ultim...
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What is difference between functional and imperative programming languages?

...acteristics bring a number of benefits, including the following: Increased readability and maintainability. This is because each function is designed to accomplish a specific task given its arguments. The function does not rely on any external state. Easier reiterative development. Because the code...
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How do I measure time elapsed in Java? [duplicate]

.... However this TSC may not be the same between cores/processors. If your thread is rescheduled to a different core partway through, you will end up with a start timestamp from core 1 and a end timestamp from core 2 but they might not be the same time (you can even get negative values) - some example...
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What is a Y-combinator? [closed]

... If you're ready for a long read, Mike Vanier has a great explanation. Long story short, it allows you to implement recursion in a language that doesn't necessarily support it natively. ...
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Match multiline text using regular expression

...ny character that is either whitespace or non-whitespace"), . is easier to read, but you need to look for the (?s) or DOTALL modifier in order to find out whether newlines are included or not. I'd prefer . with the Pattern.DOTALL flag set (this is easier to read and remember than (?s) in my opinion....
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Is there a performance difference between i++ and ++i in C++?

...es t get updated if you're incrementing this. Weren't the values of this already copied into t? – rasen58 Nov 11 '17 at 3:37 ...
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INNER JOIN ON vs WHERE clause

...JOIN is ANSI syntax which you should use. It is generally considered more readable, especially when you join lots of tables. It can also be easily replaced with an OUTER JOIN whenever a need arises. The WHERE syntax is more relational model oriented. A result of two tables JOINed is a cartesian ...
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Difference between objectForKey and valueForKey?

...e] timeIntervalSinceDate:start]; vtotal+=elapsed; NSLog (@"reading %lu values off dictionary via valueForKey took: %10.4f seconds", keys.count, elapsed); start = [NSDate date]; for (NSString *key in keys) { id obj = [dict objectForKey:key]; } ...
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Websocket API to replace REST API?

...me at them. I don't have any yet, but hope to soon. Below is a list of to-read-later links that I've been collecting. I can't vouch that they are all worthwhile, as I've only skimmed many of them. But hopefully some will help. Great tutorial on using Socket.IO with Express. It exposes express se...